{
"query": {
"display": "$$\\lim_{x\\to\\:-2}\\left(\\frac{x}{\\left(x+2\\right)^{2}}\\right)$$",
"symbolab_question": "BIG_OPERATOR#\\lim _{x\\to -2}(\\frac{x}{(x+2)^{2}})"
},
"solution": {
"level": "PERFORMED",
"subject": "Calculus",
"topic": "Limits",
"subTopic": "SingleVar",
"default": "-\\infty ",
"meta": {
"showVerify": true
}
},
"steps": {
"type": "interim",
"title": "$$\\lim_{x\\to\\:-2}\\left(\\frac{x}{\\left(x+2\\right)^{2}}\\right)=-\\infty\\:$$",
"input": "\\lim_{x\\to\\:-2}\\left(\\frac{x}{\\left(x+2\\right)^{2}}\\right)",
"steps": [
{
"type": "step",
"primary": "If $$\\lim_{x\\to{a-}}{f\\left(x\\right)}=\\lim_{x\\to{a+}}{f\\left(x\\right)}=L$$ then $$\\lim_{x\\to{a}}{f\\left(x\\right)}=L$$"
},
{
"type": "interim",
"title": "$$\\lim_{x\\to\\:-2-}\\left(\\frac{x}{\\left(x+2\\right)^{2}}\\right)=-\\infty\\:$$",
"input": "\\lim_{x\\to\\:-2-}\\left(\\frac{x}{\\left(x+2\\right)^{2}}\\right)",
"steps": [
{
"type": "step",
"primary": "Apply the following algebraic property$$:{\\quad}a+b=a\\left(1+\\frac{b}{a}\\right)$$<br/>$$\\frac{x}{\\left(x+2\\right)^{2}}=\\frac{x}{\\left(x\\left(1+\\frac{2}{x}\\right)\\right)^{2}}$$",
"result": "=\\lim_{x\\to\\:-2-}\\left(\\frac{x}{\\left(x\\left(1+\\frac{2}{x}\\right)\\right)^{2}}\\right)"
},
{
"type": "interim",
"title": "Simplify $$\\frac{x}{\\left(x\\left(1+\\frac{2}{x}\\right)\\right)^{2}}:{\\quad}\\frac{1}{\\frac{4}{x}+4+x}$$",
"input": "\\frac{x}{\\left(x\\left(1+\\frac{2}{x}\\right)\\right)^{2}}",
"steps": [
{
"type": "interim",
"title": "Factor $$\\left(x\\left(\\frac{2}{x}+1\\right)\\right)^{2}:{\\quad}x^{2}\\left(\\frac{2}{x}+1\\right)^{2}$$",
"steps": [
{
"type": "step",
"primary": "Apply exponent rule: $$\\left(ab\\right)^{c}=a^{c}b^{c}$$",
"meta": {
"practiceLink": "/practice/exponent-practice",
"practiceTopic": "Expand FOIL"
}
},
{
"type": "step",
"result": "=x^{2}\\left(\\frac{2}{x}+1\\right)^{2}"
}
],
"meta": {
"interimType": "Algebraic Manipulation Factor Title 1Eq"
}
},
{
"type": "step",
"result": "=\\frac{x}{x^{2}\\left(\\frac{2}{x}+1\\right)^{2}}"
},
{
"type": "step",
"primary": "Cancel the common factor: $$x$$",
"result": "=\\frac{1}{x\\left(\\frac{2}{x}+1\\right)^{2}}"
},
{
"type": "interim",
"title": "Expand $$x\\left(\\frac{2}{x}+1\\right)^{2}:{\\quad}\\frac{4}{x}+4+x$$",
"input": "x\\left(\\frac{2}{x}+1\\right)^{2}",
"result": "=\\frac{1}{\\frac{4}{x}+4+x}",
"steps": [
{
"type": "interim",
"title": "$$\\left(\\frac{2}{x}+1\\right)^{2}:{\\quad}\\frac{4}{x^{2}}+\\frac{4}{x}+1$$",
"result": "=x\\left(\\frac{4}{x^{2}}+\\frac{4}{x}+1\\right)",
"steps": [
{
"type": "step",
"primary": "Apply Perfect Square Formula: $$\\left(a+b\\right)^{2}=a^{2}+2ab+b^{2}$$",
"secondary": [
"$$a=\\frac{2}{x},\\:\\:b=1$$"
],
"meta": {
"practiceLink": "/practice/expansion-practice#area=main&subtopic=Perfect%20Square",
"practiceTopic": "Expand Perfect Square"
}
},
{
"type": "step",
"result": "=\\left(\\frac{2}{x}\\right)^{2}+2\\cdot\\:\\frac{2}{x}\\cdot\\:1+1^{2}"
},
{
"type": "interim",
"title": "Simplify $$\\left(\\frac{2}{x}\\right)^{2}+2\\cdot\\:\\frac{2}{x}\\cdot\\:1+1^{2}:{\\quad}\\frac{4}{x^{2}}+\\frac{4}{x}+1$$",
"input": "\\left(\\frac{2}{x}\\right)^{2}+2\\cdot\\:\\frac{2}{x}\\cdot\\:1+1^{2}",
"result": "=\\frac{4}{x^{2}}+\\frac{4}{x}+1",
"steps": [
{
"type": "step",
"primary": "Apply rule $$1^{a}=1$$",
"secondary": [
"$$1^{2}=1$$"
],
"result": "=\\left(\\frac{2}{x}\\right)^{2}+2\\cdot\\:1\\cdot\\:\\frac{2}{x}+1"
},
{
"type": "interim",
"title": "$$\\left(\\frac{2}{x}\\right)^{2}=\\frac{4}{x^{2}}$$",
"input": "\\left(\\frac{2}{x}\\right)^{2}",
"steps": [
{
"type": "step",
"primary": "Apply exponent rule: $$\\left(\\frac{a}{b}\\right)^{c}=\\frac{a^{c}}{b^{c}}$$",
"result": "=\\frac{2^{2}}{x^{2}}",
"meta": {
"practiceLink": "/practice/exponent-practice",
"practiceTopic": "Expand FOIL"
}
},
{
"type": "step",
"primary": "$$2^{2}=4$$",
"result": "=\\frac{4}{x^{2}}"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7ZJbQQB/d5WyHfvqLuvSsHI5IpdliG1E4K4EtDGLN9yvMwViaLUXkeD+JukROhWdjHz1v/wzVPirQNs1yHWg28/8//6/nV5O4fb8Xgwi7mapwNWwK6RZNsGLG7ciUYsGJ3RQTWnXpwJXSdpvAWh4snViVI3uvN1by+AN9NfjoKFU="
}
},
{
"type": "interim",
"title": "$$2\\cdot\\:\\frac{2}{x}\\cdot\\:1=\\frac{4}{x}$$",
"input": "2\\cdot\\:\\frac{2}{x}\\cdot\\:1",
"steps": [
{
"type": "step",
"primary": "Multiply fractions: $$a\\cdot\\frac{b}{c}=\\frac{a\\:\\cdot\\:b}{c}$$",
"result": "=1\\cdot\\:\\frac{2\\cdot\\:2}{x}"
},
{
"type": "step",
"primary": "Refine",
"result": "=\\frac{4}{x}"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7/OsC643lXZbU+VEjF1qviuGzXpksjtbtgDPqsTbv9LpV00rpv8+ZC6TM10tVCSHs0xDS+Y5aj0hl+F6LvDaAlvTW8J6Ksi2sNNwou0Q/ozu2RJ3rpj7pu1O/b/KBze535IdS4PVmAL+EtN/2VV0x4TGs8945Vq7f7zQJklxf7aCwiNrEngO+NNvZ9sqNu+2V"
}
},
{
"type": "step",
"result": "=\\frac{4}{x^{2}}+\\frac{4}{x}+1"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Algebraic Manipulation Simplify Title 1Eq"
}
}
],
"meta": {
"interimType": "N/A"
}
},
{
"type": "interim",
"title": "Expand $$x\\left(\\frac{4}{x^{2}}+\\frac{4}{x}+1\\right):{\\quad}\\frac{4}{x}+4+x$$",
"input": "x\\left(\\frac{4}{x^{2}}+\\frac{4}{x}+1\\right)",
"result": "=\\frac{4}{x}+4+x",
"steps": [
{
"type": "step",
"primary": "Distribute parentheses",
"result": "=x\\frac{4}{x^{2}}+x\\frac{4}{x}+x\\cdot\\:1",
"meta": {
"title": {
"extension": "Multiply each of the terms within the parentheses<br/>by the term outside the parenthesis"
}
}
},
{
"type": "step",
"result": "=\\frac{4}{x^{2}}x+\\frac{4}{x}x+1\\cdot\\:x"
},
{
"type": "interim",
"title": "Simplify $$\\frac{4}{x^{2}}x+\\frac{4}{x}x+1\\cdot\\:x:{\\quad}\\frac{4}{x}+4+x$$",
"input": "\\frac{4}{x^{2}}x+\\frac{4}{x}x+1\\cdot\\:x",
"result": "=\\frac{4}{x}+4+x",
"steps": [
{
"type": "interim",
"title": "$$\\frac{4}{x^{2}}x=\\frac{4}{x}$$",
"input": "\\frac{4}{x^{2}}x",
"steps": [
{
"type": "step",
"primary": "Multiply fractions: $$a\\cdot\\frac{b}{c}=\\frac{a\\:\\cdot\\:b}{c}$$",
"result": "=\\frac{4x}{x^{2}}"
},
{
"type": "step",
"primary": "Cancel the common factor: $$x$$",
"result": "=\\frac{4}{x}"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7wC5as4rb80hIhEB6CK89Yt4k0OFdoisEPoiIM5z/e+WjkVi15I8rBefLi4Iyt2wr+HFNia1f2SXxhAEhgx+8TQeTV4u20zW11V5PLOwL6WtwASL/CcrB6jQPzgIobvKrHsfg1lpsjRsQH/JwOuGayw=="
}
},
{
"type": "interim",
"title": "$$\\frac{4}{x}x=4$$",
"input": "\\frac{4}{x}x",
"steps": [
{
"type": "step",
"primary": "Multiply fractions: $$a\\cdot\\frac{b}{c}=\\frac{a\\:\\cdot\\:b}{c}$$",
"result": "=\\frac{4x}{x}"
},
{
"type": "step",
"primary": "Cancel the common factor: $$x$$",
"result": "=4"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7p0Gjue7IO4Kd0HX30crCsC061ljBSPJeENOw2efoSWuqze2Yzn0Gom7AYUa+PIjkR4IEq5gqBo0nbneAsjr1TlISDkKydAMaY+4YzU0gOW0="
}
},
{
"type": "interim",
"title": "$$1\\cdot\\:x=x$$",
"input": "1\\cdot\\:x",
"steps": [
{
"type": "step",
"primary": "Multiply: $$1\\cdot\\:x=x$$",
"result": "=x"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7ASx2YODBupsHY/9yrO15bd13jtrSFDx+UNsawjlOjV3pfPCe8nQAZY1bE89UDVgMPJrYhwc+zvuHrOLz58Ml2oD661lPR3w/W4zyCV9dwUw="
}
},
{
"type": "step",
"result": "=\\frac{4}{x}+4+x"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Algebraic Manipulation Simplify Title 1Eq"
}
}
],
"meta": {
"interimType": "Algebraic Manipulation Expand Title 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7HSNp0b0fUkUA7vbkWvx1cL6JWSz+y451XMbjw8jACaVVGM30su7exDI16VkBN/EAzMFYmi1F5Hg/ibpEToVnY6dOUeeuFjGLMO4rdTNSBtw2eVx9hLE8iCynUUflNNBg/G2ANG+ldkUkzmezrPTTg9ZWuscTyUNTipqsWI9f2Qi+iVks/suOdVzG48PIwAml2T7z9li4FwHFKCqHzAPKZg=="
}
}
],
"meta": {
"interimType": "Algebraic Manipulation Expand Title 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7nmViRmUF4HwQakq3zOY0Xp9wuFWY2iSOqJSsGXMs9rcJQJZuTAY5js+oqjdT8kslxyebD2dMHPt88v9z+vwIQ/pY5r/NYN14WD2SF6U6tTwezFilETfuNygjs0XPkV2hgNG+61vKRzPJFG3mJB8N1lkXwmHxkVMNXXBBq/WB+wM="
}
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Algebraic Manipulation Simplify Title 1Eq"
}
},
{
"type": "step",
"result": "=\\lim_{x\\to\\:-2-}\\left(\\frac{1}{\\frac{4}{x}+4+x}\\right)"
},
{
"type": "step",
"primary": "For $$x\\:$$approaching $$-2\\:$$from the left$$,\\:x<-2\\quad\\Rightarrow\\quad\\:\\frac{4}{x}+4+x<0$$",
"secondary": [
"The denominator is a negative quantity approaching 0 from the left"
],
"result": "=-\\infty\\:"
}
],
"meta": {
"solvingClass": "Limits",
"interimType": "Limits"
}
},
{
"type": "interim",
"title": "$$\\lim_{x\\to\\:-2+}\\left(\\frac{x}{\\left(x+2\\right)^{2}}\\right)=-\\infty\\:$$",
"input": "\\lim_{x\\to\\:-2+}\\left(\\frac{x}{\\left(x+2\\right)^{2}}\\right)",
"steps": [
{
"type": "step",
"primary": "Apply the following algebraic property$$:{\\quad}a+b=a\\left(1+\\frac{b}{a}\\right)$$<br/>$$\\frac{x}{\\left(x+2\\right)^{2}}=\\frac{x}{\\left(x\\left(1+\\frac{2}{x}\\right)\\right)^{2}}$$",
"result": "=\\lim_{x\\to\\:-2+}\\left(\\frac{x}{\\left(x\\left(1+\\frac{2}{x}\\right)\\right)^{2}}\\right)"
},
{
"type": "interim",
"title": "Simplify $$\\frac{x}{\\left(x\\left(1+\\frac{2}{x}\\right)\\right)^{2}}:{\\quad}\\frac{1}{\\frac{4}{x}+4+x}$$",
"input": "\\frac{x}{\\left(x\\left(1+\\frac{2}{x}\\right)\\right)^{2}}",
"steps": [
{
"type": "interim",
"title": "Factor $$\\left(x\\left(\\frac{2}{x}+1\\right)\\right)^{2}:{\\quad}x^{2}\\left(\\frac{2}{x}+1\\right)^{2}$$",
"steps": [
{
"type": "step",
"primary": "Apply exponent rule: $$\\left(ab\\right)^{c}=a^{c}b^{c}$$",
"meta": {
"practiceLink": "/practice/exponent-practice",
"practiceTopic": "Expand FOIL"
}
},
{
"type": "step",
"result": "=x^{2}\\left(\\frac{2}{x}+1\\right)^{2}"
}
],
"meta": {
"interimType": "Algebraic Manipulation Factor Title 1Eq"
}
},
{
"type": "step",
"result": "=\\frac{x}{x^{2}\\left(\\frac{2}{x}+1\\right)^{2}}"
},
{
"type": "step",
"primary": "Cancel the common factor: $$x$$",
"result": "=\\frac{1}{x\\left(\\frac{2}{x}+1\\right)^{2}}"
},
{
"type": "interim",
"title": "Expand $$x\\left(\\frac{2}{x}+1\\right)^{2}:{\\quad}\\frac{4}{x}+4+x$$",
"input": "x\\left(\\frac{2}{x}+1\\right)^{2}",
"result": "=\\frac{1}{\\frac{4}{x}+4+x}",
"steps": [
{
"type": "interim",
"title": "$$\\left(\\frac{2}{x}+1\\right)^{2}:{\\quad}\\frac{4}{x^{2}}+\\frac{4}{x}+1$$",
"result": "=x\\left(\\frac{4}{x^{2}}+\\frac{4}{x}+1\\right)",
"steps": [
{
"type": "step",
"primary": "Apply Perfect Square Formula: $$\\left(a+b\\right)^{2}=a^{2}+2ab+b^{2}$$",
"secondary": [
"$$a=\\frac{2}{x},\\:\\:b=1$$"
],
"meta": {
"practiceLink": "/practice/expansion-practice#area=main&subtopic=Perfect%20Square",
"practiceTopic": "Expand Perfect Square"
}
},
{
"type": "step",
"result": "=\\left(\\frac{2}{x}\\right)^{2}+2\\cdot\\:\\frac{2}{x}\\cdot\\:1+1^{2}"
},
{
"type": "interim",
"title": "Simplify $$\\left(\\frac{2}{x}\\right)^{2}+2\\cdot\\:\\frac{2}{x}\\cdot\\:1+1^{2}:{\\quad}\\frac{4}{x^{2}}+\\frac{4}{x}+1$$",
"input": "\\left(\\frac{2}{x}\\right)^{2}+2\\cdot\\:\\frac{2}{x}\\cdot\\:1+1^{2}",
"result": "=\\frac{4}{x^{2}}+\\frac{4}{x}+1",
"steps": [
{
"type": "step",
"primary": "Apply rule $$1^{a}=1$$",
"secondary": [
"$$1^{2}=1$$"
],
"result": "=\\left(\\frac{2}{x}\\right)^{2}+2\\cdot\\:1\\cdot\\:\\frac{2}{x}+1"
},
{
"type": "interim",
"title": "$$\\left(\\frac{2}{x}\\right)^{2}=\\frac{4}{x^{2}}$$",
"input": "\\left(\\frac{2}{x}\\right)^{2}",
"steps": [
{
"type": "step",
"primary": "Apply exponent rule: $$\\left(\\frac{a}{b}\\right)^{c}=\\frac{a^{c}}{b^{c}}$$",
"result": "=\\frac{2^{2}}{x^{2}}",
"meta": {
"practiceLink": "/practice/exponent-practice",
"practiceTopic": "Expand FOIL"
}
},
{
"type": "step",
"primary": "$$2^{2}=4$$",
"result": "=\\frac{4}{x^{2}}"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7ZJbQQB/d5WyHfvqLuvSsHI5IpdliG1E4K4EtDGLN9yvMwViaLUXkeD+JukROhWdjHz1v/wzVPirQNs1yHWg28/8//6/nV5O4fb8Xgwi7mapwNWwK6RZNsGLG7ciUYsGJ3RQTWnXpwJXSdpvAWh4snViVI3uvN1by+AN9NfjoKFU="
}
},
{
"type": "interim",
"title": "$$2\\cdot\\:\\frac{2}{x}\\cdot\\:1=\\frac{4}{x}$$",
"input": "2\\cdot\\:\\frac{2}{x}\\cdot\\:1",
"steps": [
{
"type": "step",
"primary": "Multiply fractions: $$a\\cdot\\frac{b}{c}=\\frac{a\\:\\cdot\\:b}{c}$$",
"result": "=1\\cdot\\:\\frac{2\\cdot\\:2}{x}"
},
{
"type": "step",
"primary": "Refine",
"result": "=\\frac{4}{x}"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7/OsC643lXZbU+VEjF1qviuGzXpksjtbtgDPqsTbv9LpV00rpv8+ZC6TM10tVCSHs0xDS+Y5aj0hl+F6LvDaAlvTW8J6Ksi2sNNwou0Q/ozu2RJ3rpj7pu1O/b/KBze535IdS4PVmAL+EtN/2VV0x4TGs8945Vq7f7zQJklxf7aCwiNrEngO+NNvZ9sqNu+2V"
}
},
{
"type": "step",
"result": "=\\frac{4}{x^{2}}+\\frac{4}{x}+1"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Algebraic Manipulation Simplify Title 1Eq"
}
}
],
"meta": {
"interimType": "N/A"
}
},
{
"type": "interim",
"title": "Expand $$x\\left(\\frac{4}{x^{2}}+\\frac{4}{x}+1\\right):{\\quad}\\frac{4}{x}+4+x$$",
"input": "x\\left(\\frac{4}{x^{2}}+\\frac{4}{x}+1\\right)",
"result": "=\\frac{4}{x}+4+x",
"steps": [
{
"type": "step",
"primary": "Distribute parentheses",
"result": "=x\\frac{4}{x^{2}}+x\\frac{4}{x}+x\\cdot\\:1",
"meta": {
"title": {
"extension": "Multiply each of the terms within the parentheses<br/>by the term outside the parenthesis"
}
}
},
{
"type": "step",
"result": "=\\frac{4}{x^{2}}x+\\frac{4}{x}x+1\\cdot\\:x"
},
{
"type": "interim",
"title": "Simplify $$\\frac{4}{x^{2}}x+\\frac{4}{x}x+1\\cdot\\:x:{\\quad}\\frac{4}{x}+4+x$$",
"input": "\\frac{4}{x^{2}}x+\\frac{4}{x}x+1\\cdot\\:x",
"result": "=\\frac{4}{x}+4+x",
"steps": [
{
"type": "interim",
"title": "$$\\frac{4}{x^{2}}x=\\frac{4}{x}$$",
"input": "\\frac{4}{x^{2}}x",
"steps": [
{
"type": "step",
"primary": "Multiply fractions: $$a\\cdot\\frac{b}{c}=\\frac{a\\:\\cdot\\:b}{c}$$",
"result": "=\\frac{4x}{x^{2}}"
},
{
"type": "step",
"primary": "Cancel the common factor: $$x$$",
"result": "=\\frac{4}{x}"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7wC5as4rb80hIhEB6CK89Yt4k0OFdoisEPoiIM5z/e+WjkVi15I8rBefLi4Iyt2wr+HFNia1f2SXxhAEhgx+8TQeTV4u20zW11V5PLOwL6WtwASL/CcrB6jQPzgIobvKrHsfg1lpsjRsQH/JwOuGayw=="
}
},
{
"type": "interim",
"title": "$$\\frac{4}{x}x=4$$",
"input": "\\frac{4}{x}x",
"steps": [
{
"type": "step",
"primary": "Multiply fractions: $$a\\cdot\\frac{b}{c}=\\frac{a\\:\\cdot\\:b}{c}$$",
"result": "=\\frac{4x}{x}"
},
{
"type": "step",
"primary": "Cancel the common factor: $$x$$",
"result": "=4"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7p0Gjue7IO4Kd0HX30crCsC061ljBSPJeENOw2efoSWuqze2Yzn0Gom7AYUa+PIjkR4IEq5gqBo0nbneAsjr1TlISDkKydAMaY+4YzU0gOW0="
}
},
{
"type": "interim",
"title": "$$1\\cdot\\:x=x$$",
"input": "1\\cdot\\:x",
"steps": [
{
"type": "step",
"primary": "Multiply: $$1\\cdot\\:x=x$$",
"result": "=x"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Solver",
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}
},
{
"type": "step",
"result": "=\\frac{4}{x}+4+x"
}
],
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"meta": {
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},
{
"type": "step",
"result": "=\\lim_{x\\to\\:-2+}\\left(\\frac{1}{\\frac{4}{x}+4+x}\\right)"
},
{
"type": "step",
"primary": "For $$x\\:$$approaching $$-2\\:$$from the right$$,\\:x>-2\\quad\\Rightarrow\\quad\\:\\frac{4}{x}+4+x<0$$",
"secondary": [
"The denominator is a negative quantity approaching 0 from the left"
],
"result": "=-\\infty\\:"
}
],
"meta": {
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"interimType": "Limits"
}
},
{
"type": "step",
"result": "=-\\infty\\:"
}
],
"meta": {
"practiceLink": "/practice/limits-practice",
"practiceTopic": "Limits"
}
},
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Solution
Solution
Solution steps
If then
Graph
Popular Examples
limit as x approaches-4 of (x)^2integral of 1/(sqrt(x^2+3))limit as θ approaches 0 of θcos(3/θ)integral of ((x-3)^3)/xintegral of \sqrt[8]{x}
Frequently Asked Questions (FAQ)
What is the limit as x approaches-2 of x/((x+2)^2) ?
The limit as x approaches-2 of x/((x+2)^2) is -infinity